Computer Voice Stress Analyzer (CVSA)

NITV Federal Services conducts a widely acclaimed five-day hands-on instructional training for law enforcement personnel to operate the  Computer Voice Stress Analyzer® – a Truth Verification investigational tool to verify statements of witnesses, denials of suspects, and to determine the validity of allegations made against police officers.  The copyrighted Defense Barrier Removal®  (DBR®) interviewing and interrogation technique when utilized in conjunction with the CVSA® III, has proven invaluable in All Investigative Divisions: Homicide, Domestic Violence, Robbery, Property Crimes, Narcotics, Internal Affairs, as well as Internet Crimes Against Children(ICAC) and for Pre-Employment Exams and Background Investigations. Likewise, it is widely used by several Department of Corrections and US Probation and Parole Agencies across the United States.